SU448634A3 - Method for separating hydrogen fluoride from gas mixture - Google Patents
Method for separating hydrogen fluoride from gas mixtureInfo
- Publication number
- SU448634A3 SU448634A3 SU1714258A SU1714258A SU448634A3 SU 448634 A3 SU448634 A3 SU 448634A3 SU 1714258 A SU1714258 A SU 1714258A SU 1714258 A SU1714258 A SU 1714258A SU 448634 A3 SU448634 A3 SU 448634A3
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- hydrogen fluoride
- gas mixture
- separating hydrogen
- alumina
- gas
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/68—Halogens or halogen compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Health & Medical Sciences (AREA)
- Combustion & Propulsion (AREA)
- Organic Chemistry (AREA)
- Treating Waste Gases (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Hydrogen, Water And Hydrids (AREA)
- Separation Of Gases By Adsorption (AREA)
- Electrolytic Production Of Metals (AREA)
Description
(54) СПОСОБ ВЫДЕЛЕНИЯ ФТОРИСТОГО ВОДОРОДА ИЗ ГАЗОВОЙ СМЕСИ(54) METHOD FOR HYDROGEN HYDROGEN ISOLATION FROM GAS MIXTURE
1one
Изобретение относитс к способу выделени фтористого водорода из газовой смеси и может быть использовано, в частности, дл очистки газовых смесей от фтористого водорода.The invention relates to a method for separating hydrogen fluoride from a gas mixture and can be used, in particular, to purify gas mixtures from hydrogen fluoride.
Известен способ выделени фтористого водорода из газовой смеси путем пропускани последней при 65-80°С через твердый сорбент , например окись алюмини , с размером частиц 3-12 мм, наход щейс в псевдоожиженном состо нии.A method is known for separating hydrogen fluoride from a gas mixture by passing the latter at 65-80 ° C through a solid sorbent, such as alumina, with a particle size of 3-12 mm, in a fluidized state.
Однако из-за необходимости создани возможно более плотного сло адсорбента газовую смесь пропускают с относительно низкой скоростью (0,3 м/сек), что снижает производительность процесса.However, due to the need to create a layer of the adsorbent as dense as possible, the gas mixture is passed at a relatively low speed (0.3 m / s), which reduces the productivity of the process.
С целью интенсификации процесса газовую смесь, содержащую фтористый водород, пропускают через частицы сорбента размером 20-300 мк со скоростью 1-5 м/сек.In order to intensify the process, the gas mixture containing hydrogen fluoride is passed through sorbent particles of 20-300 microns in size at a speed of 1-5 m / s.
Осуществление изобретени позвол ет в несколько раз увеличить производительность процесса.The implementation of the invention allows several times to increase the productivity of the process.
Пример. Через распределительное устройство дл циркулирующего адсорбента продувают 130 газа, содержащего фтористый водород в количестве 35 мг/м. Газ подаютExample. A gas containing hydrogen fluoride in an amount of 35 mg / m is blown through the distributor for the circulating adsorbent. Gas supplied
при 50°С и давлении 600 мм рт. ст. Через загрузочное устройство в циркулирующий адсорбент подают каждый час 500 г свежей окиси алюмини со средним размером зерен пор дка 60 мк. Процесс ведут в реакторе диаметром 150 мм и высотой 3000 мм, заполненном 5 кг окиси алюмини .at 50 ° C and a pressure of 600 mm Hg. Art. Every hour, 500 g of fresh alumina with an average grain size of about 60 microns is fed through the charging device to the circulating adsorbent. The process is conducted in a reactor with a diameter of 150 mm and a height of 3000 mm, filled with 5 kg of alumina.
Исходную газовую смесь, содержащую фтористый водород, пропускают со скоростьюThe source gas mixture containing hydrogen fluoride is passed at a rate of
2 м/сек; при этом окись алюмини находитс во взвещенном состо нии. Средн концентраци твердого вещества в этой взвеси составл ет 95 кг/м. Часова циркул ци твердого вещества составл ет примерно двадцатикратное количество твердого материала, наход щегос в реакторе . Врем контакта газовой смеси с адсорбентом в псевдоожиженном слое 1,5 сек. Далее очищенный совместно с окисью алюмини , адсорбировавщей фтористый водород, подают в циклон дл отделени от пыли.2 m / s; while the alumina is in a vented state. The average solids concentration in this slurry is 95 kg / m. The hourly circulation of solids is about twenty times the amount of solid material present in the reactor. The contact time of the gas mixture with the adsorbent in the fluidized bed is 1.5 seconds. Next, purified together with alumina adsorbing hydrogen fluoride, is fed to a cyclone to separate it from dust.
Остаточное содержание фтористого водорода в очищенном газе примерно 0-,-8 мг/м. Окись алюмини , адсорбировавшую фтористый водород, вновь возвращают в циркулирующий адсорбент. 34The residual content of hydrogen fluoride in the purified gas is about 0 -, - 8 mg / m. Aluminum oxide adsorbed hydrogen fluoride, again returned to the circulating adsorbent. 34
Предмет изобретени ростью, обеспечивающей псевдоожиженное соСпособ выделени фтористого водорода изс целью интенсификации процесса, примен ютThe subject matter of the invention is to provide fluidization of hydrogen fluoride with the aim of intensifying the process.
газовой смеси путем пропускани через твер-сорбенты размером частиц 20-300 мк приgas mixture by passing through solid sorbents with a particle size of 20-300 microns at
дый сорбент, например кальцинированную 5 скорости подачи газовой смеси I-5 м/сек. окись алюмини или алюминат натри , со ско448634 This is a sorbent, for example, calcined I-5 m / s gas mixture rate 5. alumina or sodium aluminate, co-4448634
сто ние сорбента, отличающийс тем, что,sorbent stand, characterized in that
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2056096A DE2056096B2 (en) | 1970-11-14 | 1970-11-14 | Process for the separation of hydrogen fluoride from gases |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU448634A3 true SU448634A3 (en) | 1974-10-30 |
Family
ID=5788104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU1714258A SU448634A3 (en) | 1970-11-14 | 1971-11-12 | Method for separating hydrogen fluoride from gas mixture |
Country Status (19)
| Country | Link |
|---|---|
| US (1) | US3907971A (en) |
| JP (1) | JPS5912331B1 (en) |
| AT (1) | AT348496B (en) |
| AU (1) | AU470782B2 (en) |
| BE (1) | BE775320A (en) |
| BR (1) | BR7107405D0 (en) |
| CA (1) | CA989751A (en) |
| CS (1) | CS167332B2 (en) |
| DE (1) | DE2056096B2 (en) |
| FR (1) | FR2114417A5 (en) |
| GB (1) | GB1341313A (en) |
| HU (1) | HU165828B (en) |
| IT (1) | IT940573B (en) |
| NL (1) | NL169960C (en) |
| NO (1) | NO133362B (en) |
| PL (1) | PL70767B1 (en) |
| RO (1) | RO63489A (en) |
| SE (1) | SE390892B (en) |
| SU (1) | SU448634A3 (en) |
Families Citing this family (32)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2246806C2 (en) * | 1972-09-23 | 1984-03-08 | Fried. Krupp Gmbh, 4300 Essen | Process for cleaning exhaust gases |
| DE2346580A1 (en) * | 1973-09-15 | 1975-04-24 | Metallgesellschaft Ag | PROCESS FOR SEPARATION OF HYDROGEN |
| DE2403282A1 (en) * | 1974-01-24 | 1975-11-06 | Metallgesellschaft Ag | PROCESS FOR THE SEPARATION OF HYDROGEN FROM ALUMINUM ELECTROLYSIS EXHAUST GASES BY DRY ADSORPTION OF ALUMINUM OXIDE WITH COMPLETE SEPARATION OF THE DAMAGING ELEMENTS |
| JPS5321399B2 (en) * | 1975-03-25 | 1978-07-03 | ||
| DE2702693C3 (en) * | 1977-01-24 | 1982-02-04 | Fried. Krupp Gmbh, 4300 Essen | Device for carrying out chemical and / or physical processes |
| GB1571222A (en) * | 1977-03-10 | 1980-07-09 | Ardal Og Sunndal Verk | Process and apparatus for treatment of waste gases |
| US4113832A (en) * | 1977-11-28 | 1978-09-12 | Kaiser Aluminum & Chemical Corporation | Process for the utilization of waste materials from electrolytic aluminum reduction systems |
| US4236464A (en) * | 1978-03-06 | 1980-12-02 | Aerojet-General Corporation | Incineration of noxious materials |
| DE2855650C2 (en) * | 1978-12-22 | 1984-10-25 | Nukem Gmbh, 6450 Hanau | Process for the pyrohydrolytic decomposition of phosphorus-containing liquids contaminated with highly enriched uranium |
| US4226831A (en) * | 1979-03-16 | 1980-10-07 | Allis-Chalmers Corporation | Apparatus for removal of sulfur from gas |
| FR2467016A1 (en) * | 1979-10-08 | 1981-04-17 | Air Ind | METHOD AND INSTALLATION FOR THE TREATMENT OF A GAS BY CONTACTING A CURRENT OF THIS GAS WITH PARTICLES OF SOLID MATERIAL |
| CA1197074A (en) * | 1981-12-04 | 1985-11-26 | Isaias Loukos | Method and apparatus for cleaning waste gases from aluminum production facilities |
| DE3235558A1 (en) * | 1982-09-25 | 1984-03-29 | Metallgesellschaft Ag, 6000 Frankfurt | METHOD FOR SEPARATING POLLUTANTS FROM EXHAUST GAS |
| FI76707C (en) * | 1984-09-14 | 1988-12-12 | Ahlstroem Oy | Process for the purification of gases containing condensable components |
| US5213587A (en) * | 1987-10-02 | 1993-05-25 | Studsvik Ab | Refining of raw gas |
| US5013336A (en) * | 1989-11-03 | 1991-05-07 | Aluminum Company Of America | Method and apparatus for emission control |
| DE69120080T2 (en) * | 1990-08-03 | 1996-10-24 | Comalco Aluminium Ltd., Melbourne, Victoria | METHOD FOR CONTACTING GAS SOLIDS |
| AU647668B2 (en) * | 1991-08-07 | 1994-03-24 | Comalco Aluminium Limited | Scrubbing gaseous fluorides |
| IS3896A (en) * | 1991-08-07 | 1993-02-08 | Comalco Aluminium Limited | Purification of gaseous fluorides from industrial emissions |
| BR9408059A (en) * | 1993-11-16 | 1996-12-24 | Comalco Alu | Counter-current gas-solid contact |
| AT400007B (en) * | 1994-04-06 | 1995-09-25 | Austria Metall | METHOD FOR CLEANING OVEN EXHAUST GASES AND USING THE FILTER DUST THEREOF |
| SE503678C2 (en) * | 1994-11-23 | 1996-07-29 | Flaekt Ab | Methods and apparatus for separating substances from a gaseous medium by dry adsorption |
| RO119693B1 (en) * | 1995-08-11 | 2005-02-28 | Solvay Alkali Gmbh | Process for the purification of gases discharged from furnaces |
| DE19714337A1 (en) * | 1997-04-08 | 1998-10-15 | Graf Epe Gmbh | Exhaust gas cleaning and method for operating such an exhaust gas cleaning |
| US6524546B2 (en) * | 1998-06-22 | 2003-02-25 | Willaim J. Rigbv | Process for making calcium chlorides |
| WO2000009258A1 (en) | 1998-08-17 | 2000-02-24 | Ebara Corporation | Method and apparatus for treating waste gas containing fluorochemical |
| WO2016152363A1 (en) | 2015-03-26 | 2016-09-29 | 日立化成株式会社 | Co2 concentration reducing device |
| CN108996474B (en) * | 2018-10-17 | 2020-03-03 | 杨松 | Process device for preparing electronic-grade hydrogen fluoride |
| CN109019517A (en) * | 2018-10-17 | 2018-12-18 | 杨松 | A kind of application method preparing hydrogen fluoride recirculating fluidized bed reacting furnace |
| CN109821322A (en) * | 2019-03-26 | 2019-05-31 | 朝阳浪马轮胎有限责任公司 | A method of prevent discharge door of banbury mixer deduster glue oil from blocking filter bag |
| CN113262750B (en) * | 2021-07-19 | 2021-11-02 | 联仕(昆山)化学材料有限公司 | Electronic-grade hydrofluoric acid production device |
| CN114870567B (en) * | 2022-05-24 | 2023-01-06 | 广州金鹏环保工程有限公司 | Two-phase flow adsorption reactor |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2526776A (en) * | 1948-10-19 | 1950-10-24 | Allied Chem & Dye Corp | Removal of hydrogen fluoride and silicon tetrafluoride from gases |
| US2526777A (en) * | 1949-01-28 | 1950-10-24 | Allied Chem & Dye Corp | Removal of hydrogen fluoride and/or silicon tetrafluoride from a hydrogen chloride containing gas |
| US2996354A (en) * | 1956-10-11 | 1961-08-15 | Pechiney Prod Chimiques Sa | Process for treating powdered materials with gases and resultant products |
| US3057680A (en) * | 1958-03-11 | 1962-10-09 | Metallgesellschaft Ag | Method of carrying out heat-consuming reactions |
| US3469937A (en) * | 1966-04-19 | 1969-09-30 | Reynolds Metals Co | Production of synthetic cryolite by fluidized dry process |
-
1970
- 1970-11-14 DE DE2056096A patent/DE2056096B2/en not_active Withdrawn
-
1971
- 1971-09-28 AT AT836071A patent/AT348496B/en not_active IP Right Cessation
- 1971-10-05 AU AU34160/71A patent/AU470782B2/en not_active Expired
- 1971-10-05 CS CS7035A patent/CS167332B2/cs unknown
- 1971-10-20 RO RO7100068518A patent/RO63489A/en unknown
- 1971-10-26 NO NO3965/71A patent/NO133362B/no unknown
- 1971-10-30 JP JP46086683A patent/JPS5912331B1/ja active Pending
- 1971-11-02 FR FR7139175A patent/FR2114417A5/fr not_active Expired
- 1971-11-05 BR BR7405/71A patent/BR7107405D0/en unknown
- 1971-11-09 NL NLAANVRAGE7115387,A patent/NL169960C/en not_active IP Right Cessation
- 1971-11-12 PL PL1971151515A patent/PL70767B1/xx unknown
- 1971-11-12 GB GB5276271A patent/GB1341313A/en not_active Expired
- 1971-11-12 IT IT31036/71A patent/IT940573B/en active
- 1971-11-12 SE SE7114551A patent/SE390892B/en unknown
- 1971-11-12 BE BE775320A patent/BE775320A/en not_active IP Right Cessation
- 1971-11-12 HU HUME1440A patent/HU165828B/hu unknown
- 1971-11-12 SU SU1714258A patent/SU448634A3/en active
- 1971-11-12 CA CA127,560A patent/CA989751A/en not_active Expired
- 1971-11-15 US US198768A patent/US3907971A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| AT348496B (en) | 1979-02-26 |
| JPS5912331B1 (en) | 1984-03-22 |
| AU3416071A (en) | 1973-04-12 |
| FR2114417A5 (en) | 1972-06-30 |
| HU165828B (en) | 1974-11-28 |
| NO133362B (en) | 1976-01-12 |
| DE2056096B2 (en) | 1978-09-28 |
| NL169960C (en) | 1982-09-16 |
| IT940573B (en) | 1973-02-20 |
| NL7115387A (en) | 1972-05-16 |
| CS167332B2 (en) | 1976-04-29 |
| PL70767B1 (en) | 1974-04-30 |
| GB1341313A (en) | 1973-12-19 |
| AU470782B2 (en) | 1976-03-25 |
| ATA836071A (en) | 1978-07-15 |
| BR7107405D0 (en) | 1973-06-14 |
| RO63489A (en) | 1978-09-15 |
| NL169960B (en) | 1982-04-16 |
| US3907971A (en) | 1975-09-23 |
| DE2056096A1 (en) | 1972-06-15 |
| CA989751A (en) | 1976-05-25 |
| SE390892B (en) | 1977-01-31 |
| BE775320A (en) | 1972-03-01 |
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